A pendulum makes 12 complete swings in 8.0 s.
(a) What is its frequency?
(b) What is its period?
Question 2
A car traveling 20 m/s rounds an 80 m radius horizontal curve with the tires on the verge of slipping. How fast can this car round a second curve of radius 320 m?
(Assume the same coefficient of friction between the car's tires and each road surface.)
A) 40 m/s
B) 70 m/s
C) 30 m/s
D) 1.6 m/s
E) 80 m/s